Is the anti-yellow claim on spigen clear case true ?

Spigen is distributing this expensive clear case stating its anti-yellowing. I've been using this case for 3 months now and check out this video for review on this case.

• #science_technology
• #spigen_case
• #spigen_iphone_13
• #spigen_clear_case
• #spigen_anti_yellow
• #case_yellow
• #iphone_13_case
• #iphone_13_clear_case
• #ringke_case
• #ringke_iphone
• #anti_yellowing_case
• #iphone_anti_yello_case